Semi-perimeter of the triangle — task. Maths CBSE Live product, Class 9 (2026-27).

If \(ABC\) is a triangle of sides \(AB =\) 15 \(cm\), \(BC =\) 17 \(cm\) and \(CA =\) 20 \(cm\), then obtain the semi-perimeter.

Semi-perimeter \(=\) \(cm\).

Did you find an error?

1. Semi-perimeter of the triangle